Al-Jam`e Al-ِAqmar(Arabic: الجامع الأقمر‎, literally:Moonlit mosque) or Al-Aqmar Mosque, also called Gray mosque, is a mosque in Cairo, Egypt dating from the Fatimid era. It was built in the under vizier al-Ma'mun al-Bata'ihi during the caliphate of Imam Al-Amir bi-Ahkami l-Lah.